图片上传返回上传链接

@Value(("#{prop.uploadHost}"))private String uploadHost;@RequestMapping(value = "/insertImgUrl")public ResultData insertImgUrl(HttpServletRequest request, HttpServletResponse response){    response.setContentType("application/json");    String rootPath = request.getSession().getServletContext().getRealPath("/");    MultipartHttpServletRequest Murequest =(MultipartHttpServletRequest)request;    Map<String, MultipartFile> files = Murequest.getFileMap();//得到文件map对象    // 实例化一个jersey Client client = new Client();

for(MultipartFile pic: files.values()){        String originalFilename = pic.getOriginalFilename();  //原来的文件名        //String uploadInfo = Upload.upload(client, pic, request, response, uploadHost, ueditor); String[] txt1 = originalFilename.split("\\.");        String txt = txt1[txt1.length - 1];        if (StringUtils.isBlank(originalFilename)) {            continue;        }        File tempFile = new File(ueditor, originalFilename);        Long ss = System.currentTimeMillis();        File newfile = new File(tempFile.getParent() + File.separator + ss + "." + txt);        tempFile.renameTo(newfile);        if (tempFile.exists()) {            //newfile = new File(tempFile.getParent() + File.separator + ss+"."+txt); tempFile.renameTo(newfile);        }        if (!newfile.exists()) {            newfile.getParentFile().mkdirs();            try {                newfile.createNewFile();                pic.transferTo(newfile);                //ImageUtil imageUtil = new ImageUtil(); Integer isUpload=0;                SftpUtil sftpUtil=new SftpUtil();                isUpload=sftpUtil.LunboUpload(ss + "." + txt, ss);                if(isUpload==0)                {                    return ResultData.returnResultData(ResultData.DATA_FALSE,"上传失败");                }            } catch (Exception e) {                e.printStackTrace();            }        }        String uploadInfo=uploadHost+ss+"."+txt;        if(!"".equals(uploadInfo))        {            return ResultData.returnResultData(ResultData.RESULT_SUCCESS,"ok",uploadInfo);        }        else {            return ResultData.returnResultData(ResultData.DATA_FALSE,"false","上传失败");        }    }    return ResultData.returnResultData(ResultData.DATA_FALSE,"false","上传失败");}

public  synchronized Integer  LunboUpload(String fileName,Long s){    ChannelSftp sftp=null;    try {    SftpUtil sf = new SftpUtil();    String host = ip;    int port = 22;    String username = root;    String password = Password;    //String directory = "/data/sftp/mysftp/lunbo/";    //String uploadFile = "/home/ftp/img/"+fileName; String uploadFile = "G:/ceshi/image/"+fileName;    sftp=sf.connect(host, port, username, password);    sf.upload(directory, uploadFile, sftp);    sftp.getSession().disconnect();    sftp.quit();    sftp.disconnect();//关闭    //sf.download(directory, downloadFile, saveFile, sftp);    //sf.delete(directory, deleteFile, sftp); 	return 1;    } catch (Exception e) {        //sftp.getSession().disconnect(); sftp.quit();        sftp.disconnect();//关闭 return 0;    }}
要注意图片服务器使用ftp传输，同时要注意关闭ftp链接，保证最终的图片正常传输，
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">    <property name="defaultEncoding" value="UTF-8"/></bean>

原文地址：https://www.cnblogs.com/xuanyuer/p/9880355.html